Hand pump



FIG. 1 is a perspective view of a hand pump according to my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of the hand pump according to my new design which take off the upper cover; and,

FIG. 9 is a cross-sectional view from 9-9 line of FIG. 6.

The broken lines are included for the purpose of illustrating portions of the hand pump that form no part of the claimed design. 

CLAIM The ornamental design for a hand pump, as shown and described. 